T/CSAA 16-2022 The method of heat transfer testing using copper blocks to measure the rotational status of the internal cooling channels in turbine blades

Scope

Scope: This standard specifies the general requirements, test procedures, and data processing for convective heat transfer testing of the internal cooling channels of turbine rotor blades in aero-gas turbine engines using the copper block method. This standard applies to convective heat transfer testing of modeled internal cooling channels of turbine rotor blades using air as the medium. Main technical contents: 4. General requirements 4.1 Test objectives 4.2 Test task book 4.3 Test outline 4.4 Test principles and methods 4.5 Test pieces 4.6 Test equipment 4.7 Measurement parameter accuracy 4.8 Measurement parameters and measurement point arrangement 4.9 Test interruption and fault handling requirements 5. Test items and test procedures 5.1 Test items 5.2 Test procedures 6. Test data recording and processing 6.1 Test data recording requirements 6.2 Test data processing and analysis 7. Error analysis 7.1 Direct error analysis 7.2 Indirect error analysis 8. Test result evaluation 8.1 Evaluation content of test results 8.2 Organization of test parameters 8.3 Analysis content of test results 9. Preparation of test reports

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